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Methyl orange

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  Post Date: Mar 15,2019
  Expiry Date: Mar 14,2020
  Detailed Description: Cas No. :547-58-0 Methyl orange
CAS NO.: 547-58-0
Synonyms:P-Dimethylaminoazobenzenesul fonic acid sodium salt, Orange III.
Molecular formula: C14H14N3NaO3S
Molecular weight: 327.33
Property: Orange chip crystal or crystalline powder. one of azo pigment. dissolve in hot water, hard dissolve in cool water, ethanol and ether. heated and resolution.
Use: acid-base indicator, volume mode tests stannum.
Range of PH:3.0 (red)-4.4 (yellow)
Sensitivity test : passed
Solubility test in water: passed
Residue on ignition (sulfate): 18.5 -22.0%
Oxide: passed

  CAS Registry Number:

547-58-0

  Synonyms: ;C.I. 13025;C.I. Acid Orange 52;4-[4-(Dimethylamino)phenylazo]benzenesulfonic acid, sodium salt;Acid Orange 52 C.I. 13025;Helianthise;MO;methyl orange for microscopy;METHYL ORANGE SODIUM SALT;sodium 4-(4-dimethylaminophenylazo)benzenesulphonate;Methyl Orange solution;Acid Orange 52;4-Dimethylaminoazobenzene-4-sulfonic acid, sodium salt;sodium 4-{(Z)-[4-(dimethylamino)phenyl]diazenyl}benzenesulfonate;
  Molecular Formula: C14H14N3NaO3S
  Molecular Weight: 327.334
  Molecular Structure: 547-58-0 Methyl Orange
  Hazard Symbols:  T:Toxic;
  Risk Codes: R10:;
  Safety Description: S16:;
S24/25:;

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